Antenna



FIG. 1 is a perspective view of an antenna showing my new design, taken from the top, front and right side of the antenna;

FIG. 2 is a front elevational view thereof and five centimeters in the top portion of the antenna are omitted;

FIG. 3 is a rear elevational view thereof and five centimeters in the top portion of the antenna are omitted;

FIG. 4 is a right side elevational view thereof and five centimeters in the top portion of the antenna, the left side elevational view being a mirror image thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a cross section view of the antenna and five centimeters in the top portion of the antenna are omitted. 

The ornamental design for an antenna, as shown and described. 